Home / 48,165.73-72,241.31-13,108.12

Finding the Fourth Proportional to 48,165.73, 72,241.31 and 13,108.12

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Solution

The fourth proportional to 48,165.73, 72,241.31 and 13,108.12 is: 19,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,165.73 : 72,241.31 = 13,108.12 : x
  2. Step 2: Convert to fraction form
    48,165.73/72,241.31 = 13,108.12/x
  3. Step 3: Cross multiply
    48,165.73x = 72,241.31 × 13,108.12
  4. Step 4: Simplify right side
    48,165.73x = 946,947,694.90
  5. Step 5: Solve for x
    x = 946,947,694.90/48,165.73
  6. Step 6: Final answer
    x = 19,660.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.